Finding the Fourth Proportional to 415,124.21, 622,702.69 and 115,630.97
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Solution
The fourth proportional to 415,124.21, 622,702.69 and 115,630.97 is: 173,451.01
Step by Step Solution
- Step 1: Write the proportion equation
415,124.21 : 622,702.69 = 115,630.97 : x - Step 2: Convert to fraction form
415,124.21/622,702.69 = 115,630.97/x - Step 3: Cross multiply
415,124.21x = 622,702.69 × 115,630.97 - Step 4: Simplify right side
415,124.21x = 72,003,712,663.72 - Step 5: Solve for x
x = 72,003,712,663.72/415,124.21 - Step 6: Final answer
x = 173,451.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.